Dom4JXMLUtils.java
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package com.ectrip.cyt.exceptionsave.xml;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import org.w3c.dom.NodeList;
public class Dom4JXMLUtils {
public static String getPathText(String xmlStr,String strpath)
{
Document doc = null;
String result = null;
try {
doc = DocumentHelper.parseText(xmlStr);
Element root=doc.getRootElement();
Node xpath=(Node) root.selectObject(strpath);
result=xpath.getText();
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return result;
}
public static HashMap<String,String> getPathText(String xmlStr,String[] strpath)
{
Document doc = null;
HashMap<String,String> result = null;
System.out.println("AA="+xmlStr);
try {
doc = DocumentHelper.parseText(xmlStr);
Element root=doc.getRootElement();
int length=strpath.length;
result=new HashMap<String,String>();
for(int i=0;i<length;i++)
{
Node xpath=(Node) root.selectObject(strpath[i]);
result.put(strpath[i],xpath.getText());
}
System.out.println("AA="+xmlStr);
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return result;
}
public static List<Node> getPathNodeList(String xmlStr,String strpath)
{
Document doc = null;
try {
doc = DocumentHelper.parseText(xmlStr);
Element root=doc.getRootElement();
return (List<Node>) root.selectObject(strpath);
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
// public String getPath(String xmlStr,String path)
// {
// Document doc = null;
// try {
// doc = DocumentHelper.parseText(xmlStr.replace("\\?", ""));
// Element rootElt = doc.getRootElement();
// readNode(rootElt, null);
// } catch (DocumentException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// return path;
// }
// static String xPathNode(Document doc,XPathFactory factory,String strpath) {
// XPath xpath = factory.newXPath();
//
// try {
// XPathExpression expr = xpath.compile(strpath);
// NodeList nodes = (NodeList) expr.evaluate(doc,XPathConstants.NODESET);
// return nodes.item(0).getNodeValue();
// } catch (XPathExpressionException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// return strpath;
// }
//遍历所有的节点
public static void readNode(Element root, String prefix) {
if (root == null)
return;
// 获取属性
@SuppressWarnings("unchecked")
List<Attribute> attrs = root.attributes();
if (attrs != null && attrs.size() > 0) {
System.err.print(prefix);
for (Attribute attr : attrs) {
System.err.print(attr.getValue() + " ");
}
System.err.println();
}
// 获取他的子节点
List<Element> childNodes = root.elements();
prefix += "\t";
for (Element e : childNodes) {
readNode(e, prefix);
}
}
//读取流
public static Element loadData(InputStream in) {
try {
SAXReader reader = new SAXReader();
Document doc = reader.read(in);
Element root = doc.getRootElement();
return root;
} catch (DocumentException e) {
e.printStackTrace();
}
return null;
}
}